[{"changed": {"fields": ["abstract"]}}, {"added": {"name": "construct", "object": "Information needs \"on the move\""}}, {"added": {"name": "construct", "object": "Social influence"}}, {"added": {"name": "construct", "object": "Trust in mobile network operators"}}, {"added": {"name": "construct", "object": "Past use of mobile data services"}}, {"added": {"name": "construct", "object": "Data privacy risks"}}, {"added": {"name": "construct", "object": "Risk of excessive invoicing amounts"}}, {"added": {"name": "construct", "object": "Willingness to use location-based services"}}]